What this means
The IEEE assigned the MA-L block 74A34A to ZIMI CORPORATION. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 74:A3:4A, it is ZIMI CORPORATION hardware.
Frequently Asked Questions
Who owns MAC prefix 74A34A?
74A34A is registered to ZIMI CORPORATION in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. ZIMI CORPORATION's block covers 16,777,216 addresses.
What devices use 74A34A?
Any network device with a MAC address starting 74:A3:4A was manufactured by or for ZIMI CORPORATION.